Home / 146,072.76-201,580.42-79,004.76

Finding the Fourth Proportional to 146,072.76, 201,580.42 and 79,004.76

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Solution

The fourth proportional to 146,072.76, 201,580.42 and 79,004.76 is: 109,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,072.76 : 201,580.42 = 79,004.76 : x
  2. Step 2: Convert to fraction form
    146,072.76/201,580.42 = 79,004.76/x
  3. Step 3: Cross multiply
    146,072.76x = 201,580.42 × 79,004.76
  4. Step 4: Simplify right side
    146,072.76x = 15,925,812,702.80
  5. Step 5: Solve for x
    x = 15,925,812,702.80/146,072.76
  6. Step 6: Final answer
    x = 109,026.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.